nx_secure/src/nxe_secure_tls_session_server_callback_set.c


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/***************************************************************************
 * Copyright (c) 2024 Microsoft Corporation
 * Copyright (c) 2025-present Eclipse ThreadX Contributors
 *
 * This program and the accompanying materials are made available under the
 * terms of the MIT License which is available at
 * https://opensource.org/licenses/MIT.
 *
 * SPDX-License-Identifier: MIT
 **************************************************************************/


/**************************************************************************/
/**************************************************************************/
/**                                                                       */
/** NetX Secure Component                                                 */
/**                                                                       */
/**    Transport Layer Security (TLS)                                     */
/**                                                                       */
/**************************************************************************/
/**************************************************************************/

#define NX_SECURE_SOURCE_CODE


#include "nx_secure_tls.h"

/* Bring in externs for caller checking code.  */

NX_SECURE_CALLER_CHECKING_EXTERNS

/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _nxe_secure_tls_session_server_callback_set         PORTABLE C      */
/*                                                           6.4.3        */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Timothy Stapko, Microsoft Corporation                               */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This function checks for errors when setting the TLS server         */
/*    callback function.                                                  */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    tls_session                           TLS control block             */
/*    func_ptr                              Pointer to callback function  */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    status                                Completion status             */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    _nx_secure_tls_session_server_callback_set                          */
/*                                          Actual set function           */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    Application Code                                                    */
/*                                                                        */
/**************************************************************************/
UINT _nxe_secure_tls_session_server_callback_set(NX_SECURE_TLS_SESSION *tls_session,
                                                 ULONG (*func_ptr)(NX_SECURE_TLS_SESSION *tls_session,
                                                                   NX_SECURE_TLS_HELLO_EXTENSION *extensions,
                                                                   UINT num_extensions))
{
UINT status;


    if (tls_session == NX_NULL || func_ptr == NX_NULL)
    {
        return(NX_PTR_ERROR);
    }

    /* Make sure the session is initialized. */
    if(tls_session -> nx_secure_tls_id != NX_SECURE_TLS_ID)
    {
        return(NX_SECURE_TLS_SESSION_UNINITIALIZED);
    }

    /* Check for appropriate caller.  */
    NX_THREADS_ONLY_CALLER_CHECKING

    /* Set the function pointer in the TLS session. */
    status = _nx_secure_tls_session_server_callback_set(tls_session, func_ptr);

    return(status);
}